<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
    <SCRIPT>
        function isHidden(oDiv){
            var vDiv = document.getElementById(oDiv);
            vDiv.style.display = (vDiv.style.display == 'none')?'block':'none';
        }
    </SCRIPT>
</HEAD>

<BODY>
<DIV style="cursor:hand" onclick="isHidden('div1')"><b>调查内容:</b></DIV>
<DIV id="div1">隐藏的内容</DIV>
</BODY>
</HTML>